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  1. No Access

    Chapter and Conference Paper

    Embedding Epitaxial VO2 Film to Switchable Two-Band Filter on the Surface Acoustic Waves

    The paper proposes a tunable bandpass filter, the operating frequency of which in the range of 600–800 MHz is regulated by voltage. It is performed on a piezoelectric substrate made of lithium niobate and cont...

    G. Ya. Karapetyan, V. E. Kaydashev… in Physics and Mechanics of New Materials and… (2024)

  2. No Access

    Chapter and Conference Paper

    SAW Dual Channel Current Sensor with FeNi Film

    The of two-channel passive wireless with a sensitive element in the form of , as well as with a magnetically sensitive , are proposed and considered. Such sensors have high sensitivity and therefore they...

    G. Ya. Karapetyan, M. E. Kutepov… in Physics and Mechanics of New Materials and… (2023)

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    Chapter and Conference Paper

    SAW Current Sensor with FeNi Film

    Various designs of passive wireless surface (SAW) current sensors with a sensitive element in the form of or based on it are proposed with such films have a high sensitivity (the speed of the SAW changes...

    G. Ya. Karapetyan, V. A. Kalinin… in Physics and Mechanics of New Materials and… (2021)

  4. No Access

    Article

    Passive wireless UV SAW sensor

    This paper presents studies of a passive wireless ultraviolet (UV) surface acoustic wave (SAW) sensor operating in the frequency range 436–440 MHz. The sensor contains two SAW delay lines (DLs). The first DL i...

    G. Ya. Karapetyan, V. E. Kaydashev, M. E. Kutepov, T. A. Minasyan… in Applied Physics A (2020)

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    Chapter and Conference Paper

    Fabrication and Investigation of InSb Thin Films for IR SAW Photodetectors

    The growth of thin films on (111) Si and on LiNbO3 YX-128° substrates was studied using a thin buffer layer deposited at a low temperature. This approach improves carrier mobility in base layer, which lar...

    M. E. Kutepov, T. A. Minasyan, D. A. Zhilin, V. E. Kaydashev… in Advanced Materials (2020)

  6. No Access

    Chapter and Conference Paper

    Optimization of Zn1−x−yMgxAlyO Film Properties to Use in Deep UV SAW Photodetector

    The maximum of spectral sensitivity of based photodetectors can be shifted to deep UV photon range of ~250 to 300 nm by Mg dosing [1, 2]. However heavily Mg doped shows very poor conductance and optical prope...

    M. E. Kutepov, V. E. Kaydashev, G. Ya. Karapetyan, D. A. Zhilin… in Advanced Materials (2019)

  7. No Access

    Chapter and Conference Paper

    Morphology and Photoluminescence of Zinc Oxide Nanorods Obtained by Carbothermal Synthesis at Different Temperatures

    The effect of the temperature of on the morphology and oxygen vacancies concentration in grown at temperatures from 900 to 1100 °C with and without the thin film ZnO sublayer on Si substrates was investiga...

    A. L. Nikolaev, E. M. Kaidashev, A. S. Kamencev in Advanced Materials (2019)

  8. No Access

    Chapter and Conference Paper

    Growth and Study of Zinc Oxide Nanorods Arrays on Piezoelectric Substrates

    Our studies have shown the possibility of using the thermal method from Zn vapors arrays as a sensitive element for UV radiation SAW sensors. The properties of the LiNbO3 substrate typically degrade upon na...

    D. A. Zhilin, G. Y. Karapetyan, M. E. Kutepov, T. A. Minasyan… in Advanced Materials (2018)

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    Article

    Experimental and Theoretical Study of Optical Antennas Formed from ZnO Nanorods Coated with a Thin Silver Film

    A new design of an optical antenna formed from a ZnO nanorod coated with a thin metallic film is proposed. Arrays of ZnO nanorods coated with a thin silver film and highly oriented perpendicular to the substra...

    E. M. Kaidashev, A. M. Lerer… in Journal of Communications Technology and E… (2017)

  10. No Access

    Chapter and Conference Paper

    Optical Nanowaveguides Based on Zinc Oxide Plasmonic Materials

    The numerical study of nanowaveguides containing ZO, AZO, GZO and other materials are studied in infrared range. The dispersion equation for the waveguides, containing an arbitrary number of layers, is solved ...

    A. M. Lerer, P. E. Timoshenko, T. Yu. Chernikova, E. M. Kaidashev… in Advanced Materials (2017)

  11. No Access

    Chapter and Conference Paper

    Dispersion Characteristics of Zinc Oxide Nanorods Coated with Thin Silver Layer and Organized in Two-Dimensional Uniform Arrays

    The problem on electromagnetic waves propagation in a two-dimensional periodic array of zinc oxide nano-waveguides covered with a thin metal film is solved by the in cylindrical coordinates. The numerical re...

    A. M. Lerer, P. E. Timoshenko, E. M. Kaidashev, A. S. Puzanov… in Advanced Materials (2016)

  12. No Access

    Article

    Effect of self-organization, defects, impurities, and autocatalytic processes on the parameters of ZnO films and nanorods

    The effects of the parameters of ZnO-film deposition onto different substrates using the method of ac magnetron sputtering in a gas mixture of argon and oxygen hare studied. The phenomenon of self-organization...

    M. M. Mezdrogina, M. V. Eremenko, V. S. Levitskii, V. N. Petrov… in Semiconductors (2015)

  13. No Access

    Article

    Experimental and theoretical investigation of silver-coated ZnO nanorod arrays as antennas for the visible and near-IR spectral range

    A new design of optical antennas consisting of zinc oxide (ZnO) nanorods covered by a thin metal film is proposed. Arrays of highly oriented ZnO nanorods perpendicular to a substrate and covered by a thin silv...

    E. M. Kaidashev, N. V. Lyanguzov, A. M. Lerer, E. A. Raspopova in Technical Physics Letters (2014)

  14. No Access

    Article

    Specific features of optical phonons in raman spectra of an array of vertical ZnO microrods on silicon

    The polarized Raman spectra of an array of vertical zinc oxide microrods prepared by the carbothermal synthesis on a Si(001) substrate have been investigated. The length and diameter of the rods are 9 ± 0.5 μm...

    N. V. Lyanguzov, A. S. Anokhin, D. I. Levshov… in Physics of the Solid State (2014)

  15. No Access

    Chapter and Conference Paper

    Carbothermal Synthesis and Characterization of ZnO Nanorod Arrays

    An influence of buffer Ar gas pressure and substance-to-source distance on morphometric parameters of vertically aligned ZnO nano- and the microrod arrays synthesized by a carbothermal reduction process on Si ...

    N. V. Lyanguzov, D. A. Zhilin, E. M. Kaidashev in Advanced Materials (2014)

  16. No Access

    Chapter and Conference Paper

    Preparation and Investigation of ZnO Nanorods Array Based Resistive and SAW CO Gas Sensors

    Resistive sensors of carbon monoxide based on zinc oxide nanorod arrays were investigated. ZnO nanorods were produced by pulsed laser deposition (PLD) method at high pressure of argon and carbothermal synthesi...

    A. L. Nikolaev, G. Ya. Karapetyan, D. G. Nesvetaev, N. V. Lyanguzov… in Advanced Materials (2014)

  17. No Access

    Article

    Magnetron and pulsed laser deposition of silver and gold nanoparticles and discontinuous films and their optical properties

    Ag and Au nanoparticles are obtained by magnetron sputtering and pulsed laser deposition under different conditions, and the features of their absorption spectra associated with plasmon resonances are investig...

    N. V. Lyanguzov, V. E. Kaidashev, V. B. Shirokov, E. M. Kaidashev in Technical Physics (2012)

  18. No Access

    Article

    Amplification of raman scattering by localized plasmons in silver nanoparticles on the surface of zinc oxide nanorods

    The magnetron sputtering of Ag nanoparticles onto ZnO nanorod arrays is studied. The lateral faces of the nanorods are coated with nanoparticles at a much lower density as compared to the flat faces at compara...

    V. E. Kaidashev, N. V. Lyanguzov, Yu. I. Yuzyuk, E. M. Kaidashev in Technical Physics (2012)

  19. No Access

    Article

    Use of various growth catalysts for laser sputtering of ZnO micro- and nanorods

    Pulsed laser deposition and various catalysts are used to fabricate ZnO micro- and nanorods at temperatures close to the optimum temperature for each catalyst. A comparative analysis of the optical and structu...

    N. V. Lyanguzov, V. E. Kaydashev, I. N. Zakharchenko, Yu. A. Kuprina… in Technical Physics (2012)

  20. No Access

    Article

    Effect of mechanical activation on physical properties of relaxor ferroelectric Pb2ScNbO6 ceramics

    Relaxor ferroelectric lead scandium niobate Pb2ScNbO6 (PSN) ceramics was obtained by solidstate synthesis and a modified ceramic technology, whereby the sintering stage was preceded by room-temperature compressio...

    E. N. Ubushaeva, E. V. Likhushina, K. G. Abdulvakhidov… in Technical Physics Letters (2011)

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